SDR 98ZZZX3027

Service difficulty report · Cylinder

Difficulty date
July 30, 1998
Submitted
March 26, 2000
Operation
General aviation
Engine
Cont GTSIO520*
Part
Cylinder
Part number
654966
Condition
Defective
Location
Intake Valve
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE INTAKE VALVE SEAT WAS FOUND NOT SEATED INTO THE CYLINDER HEAD PROPERLY. IF UNDETECTED, THE SEAT AND VALVE WOULD LEAK AFTER ONE TO TWO HOURS OF OPERATION.